Product Details | SAFETY RELIEF VALVE

4820-00-570-7351 A valve designed to automatically release excessive pressures. It is actuated by static pressure upstream of the valve and is used as a safety valve or relief valve, and may be set to close at a predetermined pressure. It is not designed for regulation of continuously fluctuating loads. It may be inline or cartridge (manifold) design. Excludes VALVE (1), RELIEF, PRESSURE AND TEMPERATURE.

Part Alternates: 242B005H01, 635PV5, 4820-00-570-7351, 00-570-7351, 4820005707351, 005707351

Valves | Valves, Nonpowered

Supply Group (FSG) NSN Assign. NIIN
48 01 JAN 1961 00-570-7351

Drawings & Photos | NSN 4820-00-570-7351


Cross Reference | NSN 4820-00-570-7351

Part Number Cage Code Manufacturer
242B005H01 79500 WESTINGHOUSE ELECTRIC CORP
242B005H01 97942 NORTHROP GRUMMAN SYSTEMS CORPORATION DIV NORTHROP GRUMMAN SYSTEMS
635PV5 98376 ZERO MANUFACTURING, INC.

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Technical Data | NSN 4820-00-570-7351

Characteristic Specifications
MATERIAL ALUMINUM ALLOY BODY STEEL CORROSION RESISTING AND PLASTIC FLOW CONTROL DEVICE ALUMINUM ALLOY SEAT
SURFACE TREATMENT ANODIZE
STYLE DESIGNATOR C4 STRAIGHT THRU
FLOW CONTROL DEVICE POPPET
VALVE OPERATION METHOD AUTOMATIC OR MANUAL
CONNECTION TYPE THREADED EXTERNAL BOSS 1ST END
CONNECTION STYLE G50 EXTERNAL SEAT FOR GASKET SEAL 1ST END
THREAD SERIES DESIGNATOR NPT 1ST END
NOMINAL THREAD SIZE 0.750 INCHES 1ST END
THREAD DIRECTION RIGHT-HAND 1ST END
DISK LOADING METHOD SPRING
FURNISHED ITEMS AND QUANTITY 1 NUT AND 1 GASKET

Restrictions/Controls & Freight Information | NSN 4820-00-570-7351

Category Code Description
Hazardous Material Indicator CodeNThere is no data in the HMIS and the NSN is in an FSC not generally suspected of containing hazardous materials
Demilitarization Code:ANon-Munitions List Item/ Non-Strategic List Item - Demilitarization not required.
Precious Metals Indicator Code:UPrecious metal type is unknown
Criticality Code:X The item does not have a nuclear hardened feature or any other critical feature such as tolerance, fit restriction or application.
Category Code Description
NMF Description 127220 PRESSURE REG/RED/RELIEF VALVES NOI
Less than car load rating
Less than truck load rating P 77.5
Water commodity Code 594 unknown
Originating Activity Code XX
Air Dimension Code A Shipment is not a consolidation and does not exceed 72 inches in any dimension.
Air Commodity V Vehicles, machinery, shop and warehouse equipment and supplies, including special tools and equipment, ground servicing and special purpose vehicles, marine equipment and supplies, repair and maintenance parts for the above.
Air Special Handling Z No special handling required.
Special Handling Code 9 unknonwn
HAZMAT
Type of Cargo Z No special type of cargo code applicable